chapter 2 review life

Which of these have prokaryotic cells?

• snails
• bacteria
• food
• fish

Which of these scientists contributed to the development of the cell theory

• Schawnn
• Schleiden
• Hooke
• All of the above

Which macromolecules provide energy?

• Nucleic Acids
• Carbohydrates
• Lipids
• Carbohydrates and Lipids

Which organelle is like a teacher in a school?

• ribosome
• nucleus
• mitochondria 
• nucleotid

Osmosis is the movement of _____ across a membrane.

• food
• energy
• oxygen
• water

During osmosis

• water moves from high to low concentration
• large or oddly shaped molecules move across a cell membrane
• water moves when energy is used
• proteins are built

What is the difference between active and passive transport?

• Active does not need energy and passive uses ATP (energy)
• Active uses ATP (energy) and passive does not need energy
• Active stores transport proteins and passive releases 
• Active uses hormones and passive does not 

Where are nucleic acids found?

• chloroplast
• nucleus 
• vacuole
• cell wall

Which form of energy is necessary for photosynthesis?

• glycolysis
• light
• DNA
• ATP

When substances are too large to enter through a cell membrane - it enters in a process _________

• passive transport
• active transport
• endocytosis
• none of the above